#pragma once
#include<stdio.h>
#include<stdlib.h>
#include<assert.h>
#include<stdbool.h>
typedef struct BSTree_node
{
	Node* _right;
	Node* _left;
	int _key;
}Node;



void Insert(Node* root, const int key);
Node* Find(Node* root, const int key);
bool Erase(Node* root, const int key);
